From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pj1-f44.google.com (mail-pj1-f44.google.com [209.85.216.44]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 172253769EE for ; Thu, 25 Jun 2026 09:45:00 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.216.44 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1782380702; cv=none; b=C6cTLDHArj0GFvUqLmsFdL/QYW90cT41OXPjQ4kKjuhJOCMsuUzKnQwx//p4onqIp2USobLrSSC3WpWol/Yodp/Ok25aYvCdsPuwgdpWhoO1hL2LFbq5aKye0mNaDwQT8ZJ6ibUaP+N9ZzjU9sffoCySGVMSNWePMeSjsL/iLdA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1782380702; c=relaxed/simple; bh=fkXjDcb0MZiU0R9v5lZXsnJk7FSq22Eatie+ZuSTVFs=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=U1ju/Zj/70h5vfSe7O/sxG5NEEckUtPtcjc9N1MoRWgKliwVLBFutulPxfJbDYvIVuYj1/f6EsdINuExoJTER0DM9RwJ7+dPA0leEd3ryTczBNy5JJgbFbe3na+BKOAaSBsE2Ss+f4RM1YBBkuyDFMtdZ07u0hL1MoFb1W4Xxs0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=TNN5ElT/; arc=none smtp.client-ip=209.85.216.44 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="TNN5ElT/" Received: by mail-pj1-f44.google.com with SMTP id 98e67ed59e1d1-37de8008910so942948a91.0 for ; Thu, 25 Jun 2026 02:45:00 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1782380700; x=1782985500; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=eWFRHwCJWqyDwSA9g6vZ6qYM6bFdwonDXcZifiRo3bA=; b=TNN5ElT/2qxRo6rJ0XVh4ZxiV+GJa4gefgJTQZ7VI6Sg+r2n66lzV1xlHdoEJXbihF dLKjRsVBoMC8liGW/KMjuETqvKbUchi0s7ab2M9Vn4REnb0c/4qXijsAOlsG7lwbjNxR yVC8HTQbXsvpj4G0sWwp/uu9sDprF5Csk0eK5rcBMS5yEoj7geCzpMq0B9ZrJkD5rVYu dn88erbMOC7wq2kA6y+TFepbmEqBWp6VtkU0VPbSs9S4AVBmL8Gm24V3gKl0isabgxDt JaHRdKBkwalXsxGvbmEDmE57cBMczAGm1e9/KNAnyumDOphzrzw8oLXBhPT0QWRpfBAP 7Njw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1782380700; x=1782985500; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to; bh=eWFRHwCJWqyDwSA9g6vZ6qYM6bFdwonDXcZifiRo3bA=; b=a9ayfxOFGp+cZ5o95Z4UaDnpHDKrUMVd2uUjT+Ty9QAezHr17lN5gguwj5vYIr8cE0 Xzm6CYhMShVQEZxZlxz8Mh4dhA7gxm2dQd0b0OZFOaZAuI8UeSqXHd6GyvRzc5M+DPeD JqXdlB/CKJLZEaCRUrf0AgLZLs5M6AwHi5Aeam1CNiQq0vrm28u/VXAah/MeFPCXaq/5 8j/RnGm06NcxFFU0GgPKI04Aqus6cYATHLLrzbvYliWyG1/0qoP6eTV+hxCvU7u06ZS2 GoZvwZbVnysnclGAaSPdQgDFNFUTZth+a9gxlRky77lBsJwG6tOZ3J3p9WvvsuSVwcl7 kvdg== X-Forwarded-Encrypted: i=1; AHgh+Ro64SvJtXO+GB7HnX8djdQAt/TPRtaKr+Heq7U6cMZzP6g8F5V/p3fvH+20KvFMMUJ8/SUgrzkQIJZ/UlA=@vger.kernel.org X-Gm-Message-State: AOJu0Ywag2+WB9Kz4Cu5SZc1T0U4AKomt6wSlF68Q6JBYHp2chVd18pC obse42yUg9LI1AolQdKvU6yj0VkDUEIgSSE12ONYEncWKQQp9Y4cLkwk X-Gm-Gg: AfdE7ckZRIw1v1RO51kUHtfLmU7+sETZ8/dGpWJxO9jC+wAS+edOyk8F6atSIcVXcQa vqTf1ErZGuwPikL4yH85sKcn3q+a0YvZ0p0S6Ykp0jT9IhdV3mA5XxN2uK1yvfGpl0tffBOjrHE iEzNMknDPYkGocWzYOwxyDXvAxHMZz1Gj80YMD+Fqu6qoibwci+hUApaapkybxpPMKuYiSYUOIW 7ixRjCe3CyWCQM9wklI14b+DCwmYuyUUSrNpYFM0W4pPswFL0jhvEwfJeEyo+vv5BPX0dNDMHbX KcYvR0h5KkG6LZcsZjrC/Og4lskr2v0iz/AqsoRrgHVMJAsa5d5DsiZW7RwBnugsjCaTQIy+O1q tgUBhOMPKPpAiiZIenAErLTr/bgPKbHJtCp/BOgyJ0jDCzMa1ExoyayTnwduapHSqaoeIqIIyL3 5yCs/uHGKrp44EqLmXvtTmeh1sgLWEwOd2dAhOqvngaKiqL+Nl2RPkb1/9mvD5JQpTMVA7Dtev6 zK9n0yUqaLw X-Received: by 2002:a17:903:19e7:b0:2bf:23c3:34ba with SMTP id d9443c01a7336-2c7fc7948aemr19245855ad.28.1782380700312; Thu, 25 Jun 2026 02:45:00 -0700 (PDT) Received: from localhost.localdomain (60-250-196-139.hinet-ip.hinet.net. [60.250.196.139]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2c7f5ac8c26sm16614995ad.1.2026.06.25.02.44.57 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 25 Jun 2026 02:44:59 -0700 (PDT) From: Joey Lu To: zhengxingda@iscas.ac.cn, maarten.lankhorst@linux.intel.com, mripard@kernel.org, tzimmermann@suse.de, airlied@gmail.com, simona@ffwll.ch, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org Cc: ychuang3@nuvoton.com, schung@nuvoton.com, yclu4@nuvoton.com, dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Joey Lu Subject: [PATCH v5 1/7] dt-bindings: display: verisilicon,dc: generalize for single-output variants Date: Thu, 25 Jun 2026 17:44:43 +0800 Message-ID: <20260625094449.708386-2-a0987203069@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260625094449.708386-1-a0987203069@gmail.com> References: <20260625094449.708386-1-a0987203069@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit The verisilicon,dc binding was originally written for the T-Head TH1520 SoC carrying a DC8200, and hard-codes five clocks, three resets and two output ports. Add the Nuvoton MA35D1 DCUltraLite (nuvoton,ma35d1-dcu) to the binding. The DCUltraLite uses only two clocks (core, pix0) and one reset (core), with a single output port. Use allOf/if blocks to express per-variant constraints rather than hard-coding the DC8200 topology at the top level. Each compatible's block constrains the clock and reset item counts; the nuvoton block additionally overrides clock-names to the two names it actually uses. Signed-off-by: Joey Lu --- .../bindings/display/verisilicon,dc.yaml | 57 +++++++++++++++++++ 1 file changed, 57 insertions(+) diff --git a/Documentation/devicetree/bindings/display/verisilicon,dc.yaml b/Documentation/devicetree/bindings/display/verisilicon,dc.yaml index 9dc35ab973f2..1e751f3c7ce8 100644 --- a/Documentation/devicetree/bindings/display/verisilicon,dc.yaml +++ b/Documentation/devicetree/bindings/display/verisilicon,dc.yaml @@ -17,6 +17,7 @@ properties: items: - enum: - thead,th1520-dc8200 + - nuvoton,ma35d1-dcu - const: verisilicon,dc # DC IPs have discoverable ID/revision registers reg: @@ -77,6 +78,62 @@ required: - clock-names - ports +allOf: + - if: + properties: + compatible: + contains: + const: thead,th1520-dc8200 + then: + properties: + clocks: + minItems: 5 + maxItems: 5 + + clock-names: + minItems: 5 + maxItems: 5 + + resets: + minItems: 3 + maxItems: 3 + + reset-names: + minItems: 3 + maxItems: 3 + + required: + - resets + - reset-names + + - if: + properties: + compatible: + contains: + const: nuvoton,ma35d1-dcu + then: + properties: + clocks: + minItems: 2 + maxItems: 2 + + clock-names: + items: + - const: core + - const: pix0 + + resets: + minItems: 1 + maxItems: 1 + + reset-names: + items: + - const: core + + required: + - resets + - reset-names + additionalProperties: false examples: -- 2.43.0